package com.qf.dao.impl;

import com.qf.dao.CartDao;
import com.qf.pojo.Cart;
import com.qf.utils.DataSourceUtils;
import com.qf.utils.TxUtils;
import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.dbutils.handlers.BeanHandler;
import org.apache.commons.dbutils.handlers.BeanListHandler;

import java.sql.Connection;
import java.sql.SQLException;
import java.util.List;

/**
 * @author 千锋教育
 * @Company http://www.mobiletrain.org/
 * @Version 1.0
 */
public class CartDaoImpl implements CartDao {
    @Override
    public Cart findByUidAndGid(int uid, int pid) {
        QueryRunner qf = new QueryRunner(DataSourceUtils.getDataSource());
        String sql = "select id,pid,Num,money from tb_cart where id = ? and pid=?";
        try {
            Cart cart  = qf.query(sql , new BeanHandler<>(Cart.class), uid, pid);
            return cart;
        } catch (SQLException e) {
            e.printStackTrace();
        }

        return null;
    }

    @Override
    public void insert(Cart cart) {
        QueryRunner qf = new QueryRunner(DataSourceUtils.getDataSource());
        String sql = "INSERT INTO `tb_cart` (`id`, `pid`, `Num`, `money`) VALUES (?, ?, ?, ?)";
        try {
            qf.update(sql , cart.getId(), cart.getPid(), cart.getNum(), cart.getMoney());
        } catch (SQLException e) {
            e.printStackTrace();
            System.out.println("新增失败");
        }

    }

    @Override
    public void updateCart(Cart cart) {
        QueryRunner qf = new QueryRunner(DataSourceUtils.getDataSource());
        String sql = "UPDATE `tb_cart` SET `Num`=?, `money`=? WHERE (`id`=?) AND (`pid`=?)";
        try {
            qf.update(sql , cart.getNum(), cart.getMoney(), cart.getId(), cart.getPid());
        } catch (SQLException e) {
            e.printStackTrace();
            System.out.println("修改失败");
        }
    }

    @Override
    public List<Cart> findByUid(int uid) {
        QueryRunner qf = new QueryRunner(DataSourceUtils.getDataSource());
        String sql = "select id ,pid ,num , money from tb_cart where id = ?";
        try {
            List<Cart> carts = qf.query(sql, new BeanListHandler<>(Cart.class), uid);
            return carts;
        } catch (SQLException e) {
            e.printStackTrace();
            System.out.println("查询购物车失败");
        }


        return null;
    }

    @Override
    public void deleteCart(int id, int pid) {
        QueryRunner qf = new QueryRunner(DataSourceUtils.getDataSource());
        String sql = "delete from tb_cart where id = ? and pid = ?";
        try {
            qf.update(sql , id, pid);
        } catch (SQLException e) {
            e.printStackTrace();
            System.out.println("删除失败");
        }
    }

    @Override
    public void clearCart(int uid) {
        Connection conn = TxUtils.getConn();
        QueryRunner qf = new QueryRunner();
        String sql = "delete from tb_cart where id = ? ";
        try {
            qf.update(conn, sql , uid);
        } catch (SQLException e) {
            e.printStackTrace();
            System.out.println("清空购物车失败");
        }
    }
}
